Actually I do think this one is different and warrants it's own issue.
#1858728 says: "Should the toolbar be Intelligent to remember the last visited link?", it already does that to an extent. The state of the toolbar persists through a pageload. What it does not do right now is display the active trail for the second tab ie. if you open "content" then use the tab to open "comments" the comments link in the menu does not show the active trail.

But that's not what this issue is about. It's about *remembering* (as distinct from configuring) the state of the toolbar when the user logs in form a different device.